You can acquire BAT on both centralized exchanges (CEX) and through self-custody wallets: How to Buy Basic Attention Token (BAT) - MetaMask
Basic Attention Token (BAT) can be purchased through several major cryptocurrency exchanges and digital wallets, with methods ranging from direct bank transfers to credit card purchases. As a utility token for the web browser ecosystem, BAT is used to reward users for their attention and to support content creators. Where to Buy BAT how to buy basic attention token